Topic 1, Volume A
Click the Task button. In a multihome AS, you are replacing one of the BGP-configured
Cisco routers with a BGP-configured HP A-Series router. You want to reduce the downtime
during the migration process. Place the steps for the migration in the correct order.
Answer:
Question No : 1 DRAG DROP - (Topic 1)
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You want to add HP edge switches to a company's Cisco network. Distribution Cisco
switches are set as the Rapid PVST+ root and secondary root. You connect HP A-Series
switches that are running their factory default configuration to the two Cisco distribution
switches. What will happen?
A. If you connect the edge switch with a redundant link to both distribution switches, you
create a loop and a broadcast storm on the Cisco network.
B. Cisco distribution switches send tagged PVST+ BPDUs to the HP switch. Because
802.1q is not yet configured on HP switch uplinks, the PVST+
BPDUs are dropped. A loop occurs.
C. Cisco distribution switches send untagged standard BPDUs to the HP switch in VLAN 1,
and in response the HP switch blocks one of the uplinks
on all VLANs, preventing a loop.
D. Cisco distribution switches send untagged standard BPDUs to HP switch in VLAN 1,
which the HP switch forwards to the other distribution
switch, preventing a loop. The HP switch drops all tagged data frames.
Answer: D
A company's LAN is composed of Cisco switches only. The network runs Rapid PVST+
with the short pathcost method. Cisco distribution switches are set as root and secondary
root in all VLANs. These two switches connect over an Etherchannel. The company wants
to install HP PoE switches at the edge of its LAN. The customer wants to keep the load-
balancing of traffic that is set in PVST+. What are the possible options? (Select three.)
A. ensure Spanning Tree is disabled on the HP edge switch, and configure loop-protection
on edge ports to avoid local loops
B. if the HP edge switch is an A-Series switch, configure Smart Link with load balancing
between instances
C. if the HP edge switch is an A-Series switch, configure Rapid PVST+ on it
D. configure MSTP on the HP edge switch, but set the cost of its uplink higher than that on
the channel between the distribution switches
E. configure MSTP on the HP edge switch and divide the VLANs into different instances
F. configure MSTP on the HP edge switch and set its uplink port cost to 5
G. configure MSTP on the HP edge switch, but set the cost of its uplink lower than that on
Question No : 2 - (Topic 1)
Question No : 3 - (Topic 1)
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the channel between the distribution switches
Answer: A,B,D
A provider of MPLS services configures MPLS Layer-3 VPN services for three customers.
Each customer has three branch offices that will be interconnected by MPLS Layer-3
VPNs. One customer is advertising their IP prefixes between sites using BGP. This
customer establishes a backup link directly connecting Site-1 to Site-2. Which BGP
attribute can the provider use to prevent routing update loops in the MPLS network?
A. COO
B. FOO
C. KOO
D. SOO
E. VOO
Answer: D
Click the Exhibit button.
A provider of MPLS services configures MPLS Layer-3 VPN services for two customers.
Question No : 4 - (Topic 1)
Question No : 5 - (Topic 1)
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Each customer has three branch offices that will be interconnected by MPLS Layer-3
VPNs. The address blocks chosen by the customers for each site are shown in the
following chart:
The provider uses OSPF as its IGP with the Loopback 0 addresses shown as the OSPF
router-id and the MPLS LSR-ID. A traceroute from Cust-A Site #1 to Cust-A Site #2
displays 5 intermediate routers. Which statements are true? (Select three.)
A. MPLS label TTL expires on P-10.
B. TTL propagation is enabled on PE-1.
C. All but the first trace is processed by PE-2.
D. IP TTL expires on P-20.
E. PE-1 generates ICMP echo replies on behalf of P-10 and P-20.
F. TTL propagation is disabled on PE-1.
Answer: A,B,C
Which statements are true about DHCP Snooping? (Select two.)
A. DHCP Snooping is a Cisco Proprietary protocol. The standard is not yet ratified.
B. DHCP Snooping prevents end nodes from receiving IP address assignments from an
unauthorized DHCP server.
C. DHCP Snooping is a malicious attack against the DHCP servers.
D. The DHCP Snooping binding table contains information about hosts interconnected with
a trusted interface.
E. DHCP Snooping is when a switch acts as a DHCP server for end nodes that connect to
that particular switch. This way, end nodes always get
an IP address.
F. When configuring DHCP Snooping on a switch, you define which ports are trusted to
receive DHCP offers. Typically uplinks of a switch are
trusted and Edge ports are untrusted.
Answer: B,F
Question No : 6 - (Topic 1)
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Which statements about BPDU Guard are correct? (Select three.)
A. It is a Cisco proprietary protocol that prevents other switches from sending BDPUs.
B. BPDU Guard filters the standard BDPUs received on the port.
C. BPDU Guard filters the PVST BDPUs received on the port.
D. BPDU Guard generates an alarm when a BPDU is received on the port and may block
the port.
E. BPDU Guard is an open standard.
F. BPDU Guard is not a protocol. It must be applied locally and individually on switches.
Answer: B,D,F
Click the Exhibit button.
A provider of MPLS services configures MPLS Layer-3 VPN services for two customers.
Each customer has three branch offices that will be interconnected by MPLS Layer-3
VPNs. The following are address blocks chosen by the customers for each site as shown in
the chart:
Question No : 7 - (Topic 1)
Question No : 8 - (Topic 1)
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The provider uses OSPF as its IGP with the Loopback 0 addresses shown as the OSPF
router-id and the MPLS LSR-ID. Customer A uses a default route on each site. Customer B
uses eBGP to exchange routes with the provider. All MPLS layer-3 VPNs are functioning
properly. Which configuration change will cause Customer-A Site 1 to lose access to
Customer-A Site 2?
A. [PE-1]
bgp 1
undo import-route static
B. [P-10]
ospf 1
area 0
abr-summary 16.0.0.2 30 cost 1000
C. [PE-1]
int vlan 100
undo mpls ldp
D. [PE-3]
bgp 1
undo peer 16.0.0.1 reflect-client
E. [P-10]
ip route static 10.1.0.0 16 null 0 preference 9
Answer: B
Which statement is true about BGP Route Refresh? (Select two.)
A. Route Refresh is a feature for supported CPU functions with BGP routers that manage
high number of IP Prefixes.
B. Route Refresh is advertised as a BGP capability to BGP neighbors during BGP session
establishment.
C. BGP Route Refresh eliminates the need for a Hard Reset of the BGP connection with a
BGP neighbor when route policies are changed.
D. With Route Refresh, a BGP router stores all BGP prefixes sent by a BGP neighbor.
E. With Route Refresh, a BGP Hard Reset is used to generate inbound updates from a
neighbor or to generate outbound updates to a neighbor.
Answer: B,C
Question No : 9 - (Topic 1)
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Click the Exhibit button.
Which statements are true about the BGP configuration of this HP A-Series router? (Select
two.)
A. The router announces IP prefix 200.1.0.0/23 to its BGP neighbor if the network is in
routing table.
B. The as-path ACL define networks that were last forwarded by AS 200.
C. The configuration includes a filter out to the neighbor 222.222.10.1.
D. The BGP router is in AS 200 and its BGP neighbor is in AS 100.
E. The BGP router will establish a BFD connection with its BGP neighbor 222.222.10.1 if
the neighbor is also configured for BFD.
Answer: A,E
Click the Exhibit button.
Question No : 10 - (Topic 1)
Question No : 11 - (Topic 1)
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You are replacing a Cisco BGP router with an HP A-Series BGP router. Examine the
router's configurations. Which statements accurately describe the routers' configurations?
(Select three.)
A. Both configurations are identical in function.
B. The HP A-Series router will not implement the same BGP functions as the Cisco router.
C. Both BGP routers announce a static route to its BGP neighbor.
D. Both BGP routers announce network 215.34.10.0/22.
E. Neither BGP routers can announce a redistributed static route because no metrics are
set.
F. The A-Series router's prefix list is misconfigured.
Answer: A,C,D
What is a characteristic of load balancing in RRPP?
A. multiple RRPP rings within a domain
B. overlapping RRPP rings
C. multiple RRPP domains with different root priorities
D. It is not possible to load balance with RRPP.
Question No : 12 - (Topic 1)
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E. multiple RRPP domains sharing the same ring
Answer: E
Which protocols are supported on the HP A-Series switch? (Select three.)
A. SSH v1 only
B. SSH v1 and v2
C. RADIUS only
D. TACACS+ and RADIUS
E. TACACS and RADIUS
F. SNMPv2c only
G. SNMPv2c and SNMPv3
Answer: B,D,G
Click the Exhibit button and view the three exhibits.
Question No : 13 - (Topic 1)
Question No : 14 - (Topic 1)
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